Unfortunately, you can't bend reality to suit your narrative. That's simply not how it works.
It's a clear majority, borderline unanimous, asking for idol slots to unlock on alts. Why are you hell bent on repeating the same dozen sidequests over and over? What enjoyment does that bring to the experience?
As far as D4, you're referring to the most miserable community on reddit that complains about everything. Even they widely regard campaign skip as a great feature. If you're so insistent on repeating content, nothing is stopping you from running the campaign again. Those who would rather skip it, can skip it.
Try brining a stronger argument to the table next time, if you're going to waste my time being a contrarian on such petty issues.
This information directly contradicts the data we have collected. If you can submit your findings, with sources, I would be happy to look into it.